.travis.yml in twilio-ruby-5.55.0 vs .travis.yml in twilio-ruby-5.56.0

@@ -17,10 +17,10 @@
   allow_failures:
   - rvm: ruby-head
   fast_finish: true
 deploy:
 - provider: script
-  script: make docker-build && make docker-push
+  script: echo "${DOCKER_PASSWORD}" | docker login -u "${DOCKER_USERNAME}" --password-stdin && make docker-build && make docker-push
   skip_cleanup: true
   on:
     tags: true
     rvm: '2.4'
 - provider: rubygems